Sanitize image_collection and image_set captions
Sanitize image_collection and image_set captions

craigspaeth/positron,craigspaeth/positron,craigspaeth/positron,craigspaeth/positron,artsy/positron,kanaabe/positron,eessex/positron,kanaabe/positron,kanaabe/positron,artsy/positron,artsy/positron,eessex/positron,eessex/positron,artsy/positron,kanaabe/positron,eessex/positron